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  1. FabianoRibeiro

    Factor C to be used in design of elliptical flat plates

    Dear all, In the case of a elliptical flat plate to be used as internal cover of a manway, what value should be used as factor C for the calculation of the required thickness of the plate? I looked in Fig. PG-31 of ASME code Section I and I'm not sure which one is applicable to this case...
  2. FabianoRibeiro

    Marshall & Swift Equipment Cost Index

    Can anybody help me with the most recent Marshall & Swift Equipment Cost Index? Thanks in advance.
  3. FabianoRibeiro

    Glycerin corrosion rates

    Dear all, Does anybody know any information about corrosion rates of glycerin in carbon steel? I'm evaluating a storage tank which will store this product and I have to estimate the corrosion allowance. Thanks in advance.
  4. FabianoRibeiro

    Software for ASME I calculation

    Dear all, Does anybody know a software for ASME Section I calculation? Best regards.
  5. FabianoRibeiro

    Best Storage Tank Design Program

    I intend to buy a storage tank design software and would like to know the pros and cons of each software. I made a research in the internet and found the following: Tank Tri*Tank650/620 Etank 2000 Which one do you think is the best purchase?
  6. FabianoRibeiro

    Best Pipe Stress Analysis Program

    I intend to buy a pipe stress analysis software and would like to know the pros and cons of each software. I made a research in the internet and found the following: Caesar II Caepipe Autopipe Triflex Which one do you think is the best purchase?
  7. FabianoRibeiro

    ASME I Flanged-In Manhole

    GenB, thanks for your help. Do you have any picture and/or drawing showing the difference between the flue and the flanged-in opening? You say that not always the plate has to be thicker. What do you mean by not always? What are the conditions that you refer? Best regards.
  8. FabianoRibeiro

    Design of Elliptical Flat Plate

    Dear all, In the case of an elliptical manway like the one shown in the attached picture, how should I calculate the required thickness of the elliptical cover? In some catalogs the thickness specified by the manufacturer seems too small. For example: a 12x16 manway specified to 700psi @ 650F...
  9. FabianoRibeiro

    Design of Elliptical Flat Plate

    Dear all, In the case of an elliptical manway like the one shown in the attached picture, how should I calculate the required thickness of the elliptical cover? In some catalogs the thickness specified by the manufacturer seems too small. For example: a 12x16 manway specified to 700psi @ 650F...
  10. FabianoRibeiro

    ASME I Flanged-In Manhole

    Correcting myself... After thoughting a little over this issue again, I came out with another interpretation. The manhole can be fabricated in two ways: with a flanged-in or with a welded ring. In the case of a flanged-in, the head should be calculated according to the second part of PG-29.7...
  11. FabianoRibeiro

    ASME I Flanged-In Manhole

    Correcting myself... After thoughting a little over this issue again, I came out with another interpretation. The manhole can be fabricated in two ways: with a flanged-in or with a welded ring. In the case of a flanged-in, the head should be calculated according to the second part of PG-29.7...
  12. FabianoRibeiro

    ASME I Flanged-In Manhole

    After thoughting a little over this issue again, I came out with another interpretation. The manhole can be fabricated in two ways: with a flanged-in or with a welded ring. In the case of a flanged-in, the head should be calculated according to the second part of PG-29.7 and the thickness...
  13. FabianoRibeiro

    ASME I Flanged-In Manhole

    After thoughting a little over this issue again, I came out with another interpretation. The manhole can be fabricated in two ways: with a flanged-in or with a welded ring. In the case of a flanged-in, the head should be calculated according to the second part of PG-29.7 and the thickness...
  14. FabianoRibeiro

    ASME I Flanged-In Manhole

    gr2vessels, I intend to calculate a flanged-in manhole according to ASME I. I indicate Fig. UG-38 because I did not find in Sec. I the same figure. Therefore, case 1 is calculation of the flued opening according to ASME Sec. I. Best regards.
  15. FabianoRibeiro

    ASME I Flanged-In Manhole

    That sounds strange to me too. I told my client to put a handhole but I could not convince him. About the interpretation, do you think that's correct?
  16. FabianoRibeiro

    ASME I Flanged-In Manhole

    Please, verify if my interpretation of the code is correct: In the case of a elliptical (12x16in) flanged-in opening in a elliptical 24in head we have two options: 1- Flued opening such as indicated in Fig. UG-38; 2- Opening with ring such as Fig. PG-28. In the first case, the thickness of...
  17. FabianoRibeiro

    Elliptical Manhole

    Thank you guys. I'm thinking of using an elliptical flanged-in manhole. I posted a new topic related to this in the same forum. Please, take a look there and see if you can help me. Best regards.
  18. FabianoRibeiro

    ASME I Flanged-In Manhole

    Please, verify if my interpretation of the code is correct: In the case of a elliptical (12x16in) flanged-in opening in a elliptical 24in head we have two options: 1- Flued opening such as indicated in Fig. UG-38; 2- Opening with ring such as Fig. PG-28. In the first case, the thickness of...
  19. FabianoRibeiro

    Elliptical Manhole

    How do I design an elliptical manhole per asme section I? Can anybody send me or indicate where can I find drawings or pictures of this type of configuration? Thanks in advance.
  20. FabianoRibeiro

    Flange calculation

    Take a look at UG-11(a)(2) and UG-44. There you can confirm what prex is saying. Regards.

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